Litter will be left uncollected on the streets in Derby City centre for a whole weekend in November to show people how much is dropped.
The city council's street cleaning team hope the experiment will make shoppers more aware about the rubbish they throw on the floor.
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Becoming dry overnight, mainly dry Saturday.
Mainly dry, with some sunny spells tomorrow.
The incident took place after Derby County v Watford back in April. Warning: the video contains some scenes of violence.